Revolver



FIG. 1 is a left side elevational view of a revolver showing our new design;

FIG. 2 is the right side elevational view thereof;

FIG. 3 is the top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof; and

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a rear perspective view thereof. 

The ornamental design for a revolver, substantially as shown and described. 